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| Título: | The role of the Λ(1405) in the pp -> pK(+)Λ(1405) reaction |
Autor: | Geng, Li Sheng; Oset, Eulogi CSIC ORCID | Palabras clave: | Kaon-nucleon interactions Chiral dynamics Partial wave Scattering Resonance [PACS] Hadron-induced low- and intermediate-energy reactions and scattering (energy ≤ 10 GeV) [PACS] Decays of baryons [PACS] Hyperons |
Fecha de publicación: | dic-2007 | Editor: | Springer Nature Società Italiana di Fisica |
Citación: | European Physical Journal A 34(4): 405-412 (2007) | Resumen: | We report a theoretical study of the pp -> pK(+)Λ(1405) reaction, which was recently investigated at COSY-Jülich by using a 3.65 GeV/c circulating proton beam incident on an internal hydrogen target. The reaction is driven by single-kaon exchange, single-pion exchange, and single-rho exchange terms which have very different shapes due to the two-pole structure of the Λ(1405) and the presence of background terms. The shape for the sum of the three contributions, as well as the total cross-section, are consistent with present data within experimental and theoretical uncertainties, using reasonable form factors for the meson-baryon vertices. | Descripción: | 8 pages, 8 figures.-- PACS nrs.: 13.75.-n, 13.30.-a, 14.20.Jn.-- ISI Article Identifier: 000253951300007.-- ArXiv pre-print available at: http://arxiv.org/abs/0707.3343 | Versión del editor: | http://dx.doi.org/10.1140/epja/i2008-10518-5 | URI: | http://hdl.handle.net/10261/9216 | DOI: | 10.1140/epja/i2008-10518-5 | ISSN: | 1434-6001 |
| Aparece en las colecciones: | (IFIC) Artículos |
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| 0707.3343v3.pdf | 223,76 kB | Adobe PDF |  Visualizar/Abrir |
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